DETECTIVE

[noun] [C] - a police officer whose job is to discover information about crimes and find out who is responsible for themDetectives have finally tracked down the killer.I enjoy reading detective stories.Detective can be used as part of the title of particular ranks in the police force.Detective Sergeant LewisDetective work is the activity of finding out information about something, which often takes a long time.After a lot of detective work, I managed to find out where my old school friend was living.